fix: enable software WebGL (SwiftShader) in Chrome wrapper for map rendering

Without a real GPU, Chrome disables WebGL which breaks map libraries like
MapLibre GL / Mapbox GL. Add --use-gl=swiftshader --enable-webgl
--ignore-gpu-blocklist to force software WebGL rendering inside Docker.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: successbyfailure

Docker-Images/Developer/Dockerfile

@@ -207,7 +207,8 @@ if [ -x /opt/google/chrome/google-chrome ]; then
   mv /usr/bin/google-chrome-stable /usr/bin/google-chrome-stable.real 2>/dev/null || true
   cat > /usr/bin/google-chrome-stable <<'GCWRAP'
 #!/bin/sh
-exec /opt/google/chrome/google-chrome --no-sandbox --disable-gpu-sandbox --disable-setuid-sandbox "$@"
+exec /opt/google/chrome/google-chrome --no-sandbox --disable-gpu-sandbox --disable-setuid-sandbox \
+  --use-gl=swiftshader --enable-webgl --ignore-gpu-blocklist --disable-dev-shm-usage "$@"
 GCWRAP
   chmod +x /usr/bin/google-chrome-stable
   ln -sf google-chrome-stable /usr/bin/google-chrome 2>/dev/null || true